Stephanie Osborn Books in Order

When Space Shuttle STS-281 is destroyed during reentry, Crash Murphy and Dr. Mike Anders suspect the official accident report hides a conspiracy. Their investigation makes them targets as colleagues and friends begin to die.

Sherlock Holmes and Dr. Skye Chadwick continue hunting the people behind attempts to sabotage Project Tesseract. With Skye recovering from serious injuries, the investigation becomes a race to understand the enemy's goal.

Government operative Ray Brady tracks a mysterious man who survives impossible falls and appears in distant places within seconds. As dangerous materials vanish worldwide, Ray's team must discover the intruder's plan.

Physicist Skye Chadwick accidentally pulls Sherlock Holmes from an alternate Victorian reality into the modern world. As Holmes adapts, the pair investigates a possible spy ring targeting Project Tesseract.

Travis S. Taylor and Stephanie Osborn argue for a renewed American commitment to human spaceflight. The book offers a plainspoken case for ambitious exploration, from returning to the Moon to reaching Mars.

Holmes and Skye push deeper into the cosmological mystery begun in The Rendlesham Incident. Their investigation tests their deductions and their resolve as the threat to their world becomes harder to contain.

This nonfiction exploration considers Sherlock Holmes's use of a seven-percent cocaine solution. Osborn examines possible motives, effects, and questions Watson could not openly address in the social rules of his era.

After a huge windstorm separates her from her village, gifted but self-centered StarSong faces a difficult journey. Sunrise follows a mysterious song, and their paths may cross amid danger and hard lessons.

While Martians invade Victorian Britain and Europe, an old inventor recalls what happened elsewhere. He tells his apprentice about his youthful work in a North American bunker during the wider invasion.

A small Zuni spaceman carving introduced in Burnout has a story of its own. This companion novella traces the mystery behind the object and the questions surrounding how it came to be.

Griblich and his family live peacefully in a village beneath a red sun and green skies. Their settled life cannot last, however, because change is always waiting beyond the next quiet day.

A new case draws Holmes and Skye into a mystery tied to strange phenomena and a larger cosmological danger. The clues point beyond an ordinary crime and toward consequences neither can ignore.

A nonfiction look at solar, space, and geomagnetic weather, including the forces that can disrupt life and technology on Earth. Osborn explains the science behind the hazards in accessible terms.

Deputy Sheriff Michael Kirtchner answers a disturbance call at a remote swamp trailer and finds an old woman terrified by a beast. What seems like a bear may be something far more sinister.

A whole village on Salisbury Plain is destroyed in an apparent mass combustion event. Holmes investigates a possible terror plot in England while Skye faces danger and uncertainty back in Colorado.

A young Holmes and Watson travel to Egypt after an archaeologist asks for their help on a dig. Between harsh conditions and an unsettling discovery, the friends face a mystery far beyond ordinary academic work.

A working trip to New Orleans becomes something far darker when Holmes and Skye encounter ghostly activity, disappearances, and a looming disaster. The French Quarter's mysteries may threaten more than one universe.

A rebel faction wants a mysterious device once carried to Earth by a man known to humans as Harry Houdini. Echo and Omega must learn what the F'al is and why its return could restart an old conflict.

Christmas brings trouble to Division One when signs point to a mole inside the Agency. Echo and Omega must protect their team while uncovering who is leaking dangerous information.

NASA astronaut and astronomer Megan McAllister meets Division One agent Echo in West Texas and is recruited into a world of hidden threats. He soon learns that his new partner, Omega, is more unusual than anyone expected.

This nonfiction guide explains the geology and earthquake history of the New Madrid Fault System. Osborn breaks down faults, seismic processes, and the region's potential risks without assuming prior technical knowledge.

Alpha One takes on a mission where nothing is quite what it first appears. Echo and Omega must separate deception from fact before hidden motives put the team and their larger mission at risk.

A new enhanced human reveals that an old enemy's plans are not over. Alpha One becomes the target of a telepathically driven manhunt that can follow Echo and Omega almost anywhere.

Osborn examines Yellowstone's caldera, its past supereruptions, and the science behind the popular idea of a supervolcano. The book considers what Yellowstone is, how it formed, and what future activity could mean.

Echo and Omega try to make room for an ordinary date, but Division One business refuses to stay away. Their evening collides with a new threat that forces the team back into action.

Echo and Omega return to Earth for another Division One case with danger close to home. The mission brings covert work, unusual threats, and pressure on the partnership at the heart of Alpha One.

A training flight turns into a space battle when the Cortians target Alpha One. Echo and Omega crash on a primitive world, injured and hunted, while their team fights to reach them.

Division One faces another high-risk operation where communication, timing, and teamwork matter as much as firepower. Echo and Omega must keep their people together while a dangerous situation escalates.

While Alpha One faces a horrifying crisis, assassins target the president of the Galactic Coalition. A difficult first-contact mission and growing political strain leave Echo and Omega caught between duty and danger.

This nonfiction study examines the Chicxulub impactor and the catastrophic chain of events it set in motion. Osborn explores the impact, the timeline of its effects, and its link to mass extinction.

On Jablonka, Captain Mary Rao faces a string of apparent accidents at Sigurdsen base. Intelligence officer William Campbell sees a pattern others dismiss and must uncover the cause before the situation turns deadly.

Echo and Omega take a much-needed vacation on the Eden-like world of Tiniken, only to cross paths with a Cortian slave ring. When Echo is recognized, relaxation becomes a rescue mission.

Nick Ashton tries to clean up the Imperial Police on Sintar, only to find the old guard plotting a takeover. He must identify conspirators before they kill him, Director Carter, and the reform effort.

With tensions rising across human space, Imperial City becomes a center for espionage and political schemes. Nick Ashton and his team must protect state secrets while someone also appears to be targeting the Throne.

Rookie cop Dominick Ashton wants to serve honestly, but the Imperial Police is riddled with corruption and treason. His determination is tested when a case for the Empress puts him in direct danger.

Something is attacking Manhattan while Echo struggles to recover from earlier injuries and Omega deals with trauma of her own. Alpha One must confront the new danger before the city pays the price.

Nick Ashton is assigned to create a secret espionage network that answers directly to Emperor Trajan. Its first mission leads to Wingard Sector, where interference with imperial plans looks a lot like treason.

Echo and Omega explore whether Omega can safely have a child, even as their work with Division One continues. The personal question becomes another source of pressure in a life already shaped by dangerous missions.

An imposing alien woman makes a claim that challenges Agent Omega's understanding of what is possible. The revelation draws Alpha One into another dangerous problem with stakes that reach beyond routine Agency work.

Santa's magical cat tells the story of Nikolai Kristoffsen, a man who sought the Anointed Child after missing the Magi's journey. This gentle holiday fantasy imagines an unusual path to Santa's calling.

The opening volume of the Blood Brothers branch of Osborn's wider science-fiction work. It introduces a new corner of the connected setting and provides the natural first step for readers exploring this series.